Words API lets you retrieve information about English words, including definitions, synonyms, rhymes, pronunciation, syllables, and frequency of usage. It also can tell you about relationships between words, for instance that "math" has categories like "algebra" and "geometry", or that a "finger" is part of a "hand".
All you need to create a traditional / non traditional Braille display system. If you have a braille display / want to mimic one in the browser or in your app this is the API you will integrate with. This takes plain English text and converts to various forms of braille (unicode/ braille/ image etc) display styles.